""" 
CSDN : heart_6662
PYTHON amateur   
"""
# def age(n):
#     if n == 1:
#         c=10
#     else:
#         c = age(n-1) + 2
#     return c
# print(age(5))
def age():
   n = 10
   for i in range(1, 5):
      n = n + 2
   print("第5个人{0}岁".format(n))
age()